12272524105 has 4 divisors (see below), whose sum is σ = 14727028932. Its totient is φ = 9818019280.

The previous prime is 12272524093. The next prime is 12272524133. The reversal of 12272524105 is 50142527221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50142527221 = 719 ⋅69739259.

It can be written as a sum of positive squares in 2 ways, for example, as 9330980409 + 2941543696 = 96597^2 + 54236^2 .

It is not a de Polignac number, because 12272524105 - 2¹⁷ = 12272393033 is a prime.

It is a super-2 number, since 2×12272524105² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1227252406 + ... + 1227252415.

It is an arithmetic number, because the mean of its divisors is an integer number (3681757233).

Almost surely, 2^12272524105 is an apocalyptic number.

It is an amenable number.

12272524105 is a deficient number, since it is larger than the sum of its proper divisors (2454504827).

12272524105 is an equidigital number, since it uses as much as digits as its factorization.

12272524105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454504826.

The product of its (nonzero) digits is 11200, while the sum is 31.

The spelling of 12272524105 in words is "twelve billion, two hundred seventy-two million, five hundred twenty-four thousand, one hundred five".